Simplex Trading Portfolio holdings
Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.
Top Buys
| 1 |
Apple
AAPL
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1401
ABM Industries
ABM
$2.82B
| $49K | ﹤0.01% |
960
-846
| -47% | -$43.2K |
|
|
JBIO
1402
Jade Biosciences, Inc. Common Stock
JBIO
$247M
| $49K | ﹤0.01% |
537
+394
| +276% | +$36K |
|
1403
Direxion Daily Real Estate Bull 3X Shares
DRN
$67.3M
| $49K | ﹤0.01% |
5,064
-10,494
| -67% | -$102K |
|
1404
Editas Medicine
EDIT
$244M
| $49K | ﹤0.01% |
38,642
-12,734
| -25% | -$16.1K |
|
1405
Fulcrum Therapeutics
FULC
$378M
| $49K | ﹤0.01% |
10,455
-39,309
| -79% | -$184K |
|
|
ILPT
1406
Industrial Logistics Properties Trust
ILPT
$415M
| $49K | ﹤0.01% |
13,636
+4,739
| +53% | +$17K |
|
1407
Martin Midstream Partners
MMLP
$121M
| $49K | ﹤0.01% |
13,746
+2,684
| +24% | +$9.57K |
|
1408
Merit Medical Systems
MMSI
$5.34B
| $49K | ﹤0.01% |
+510
| New | +$49K |
|
1409
Sabra Healthcare REIT
SBRA
$4.54B
| $49K | ﹤0.01% |
+2,839
| New | +$49K |
|
1410
Solid Biosciences
SLDB
$408M
| $49K | ﹤0.01% |
12,260
-10,185
| -45% | -$40.7K |
|
1411
SPX Corp
SPXC
$9.29B
| $49K | ﹤0.01% |
+337
| New | +$49K |
|
1412
ReposiTrak
TRAK
$306M
| $49K | ﹤0.01% |
2,239
+1,217
| +119% | +$26.6K |
|
1413
Utz Brands
UTZ
$1.12B
| $49K | ﹤0.01% |
3,165
+780
| +33% | +$12.1K |
|
1414
Blue Bird Corp
BLBD
$1.82B
| $48K | ﹤0.01% |
1,250
-4,470
| -78% | -$172K |
|
1415
New Oriental
EDU
$8.93B
| $48K | ﹤0.01% |
+753
| New | +$48K |
|
|
MVO
1416
MV Oil Trust
MVO
$68.9M
| $48K | ﹤0.01% |
5,992
+4,889
| +443% | +$39.2K |
|
1417
The RMR Group
RMR
$282M
| $48K | ﹤0.01% |
2,329
+1,971
| +551% | +$40.6K |
|
1418
-1x Short VIX Futures ETF
SVIX
$196M
| $48K | ﹤0.01% |
1,925
-13,655
| -88% | -$340K |
|
1419
Thor Industries
THO
$5.83B
| $48K | ﹤0.01% |
+505
| New | +$48K |
|
|
AIFU
1420
AIFU Inc. Class A Ordinary Share
AIFU
$83.4M
| $48K | ﹤0.01% |
2,196
+326
| +17% | +$7.13K |
|
|
CEPU
1421
Central Puerto
CEPU
$1.35B
| $47K | ﹤0.01% |
3,261
+1,940
| +147% | +$28K |
|
1422
ProShares Ultra Dow30
DDM
$452M
| $47K | ﹤0.01% |
501
-202
| -29% | -$19K |
|
|
HES
1423
DELISTED
Hess
HES
| $47K | ﹤0.01% |
354
-10,480
| -97% | -$1.39M |
|
1424
Inovio Pharmaceuticals
INO
$140M
| $47K | ﹤0.01% |
25,793
+16,122
| +167% | +$29.4K |
|
1425
Virtus InfraCap US Preferred Stock ETF
PFFA
$1.83B
| $47K | ﹤0.01% |
2,147
+112
| +6% | +$2.45K |
|